[PATCH 20/45] nilfs: use bio op accessors

[mchristi@redhat.com]

From: Mike Christie <mchristi@redhat.com>

Separate the op from the rq_flag_bits and have nilfs
set/get the bio using bio_set_op_attrs/bio_op.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
 fs/nilfs2/segbuf.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c
index 0f62909..a962d7d 100644
--- a/fs/nilfs2/segbuf.c
+++ b/fs/nilfs2/segbuf.c
@@ -346,7 +346,8 @@ static void nilfs_end_bio_write(struct bio *bio)
 }
 
 static int nilfs_segbuf_submit_bio(struct nilfs_segment_buffer *segbuf,
-				   struct nilfs_write_info *wi, int mode)
+				   struct nilfs_write_info *wi, int mode,
+				   int mode_flags)
 {
 	struct bio *bio = wi->bio;
 	int err;
@@ -364,7 +365,7 @@ static int nilfs_segbuf_submit_bio(struct nilfs_segment_buffer *segbuf,
 
 	bio->bi_end_io = nilfs_end_bio_write;
 	bio->bi_private = segbuf;
-	bio->bi_rw = mode;
+	bio_set_op_attrs(bio, mode, mode_flags);
 	submit_bio(bio);
 	segbuf->sb_nbio++;
 
@@ -438,7 +439,7 @@ static int nilfs_segbuf_submit_bh(struct nilfs_segment_buffer *segbuf,
 		return 0;
 	}
 	/* bio is FULL */
-	err = nilfs_segbuf_submit_bio(segbuf, wi, mode);
+	err = nilfs_segbuf_submit_bio(segbuf, wi, mode, 0);
 	/* never submit current bh */
 	if (likely(!err))
 		goto repeat;
@@ -462,19 +463,19 @@ static int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
 {
 	struct nilfs_write_info wi;
 	struct buffer_head *bh;
-	int res = 0, rw = WRITE;
+	int res = 0;
 
 	wi.nilfs = nilfs;
 	nilfs_segbuf_prepare_write(segbuf, &wi);
 
 	list_for_each_entry(bh, &segbuf->sb_segsum_buffers, b_assoc_buffers) {
-		res = nilfs_segbuf_submit_bh(segbuf, &wi, bh, rw);
+		res = nilfs_segbuf_submit_bh(segbuf, &wi, bh, REQ_OP_WRITE);
 		if (unlikely(res))
 			goto failed_bio;
 	}
 
 	list_for_each_entry(bh, &segbuf->sb_payload_buffers, b_assoc_buffers) {
-		res = nilfs_segbuf_submit_bh(segbuf, &wi, bh, rw);
+		res = nilfs_segbuf_submit_bh(segbuf, &wi, bh, REQ_OP_WRITE);
 		if (unlikely(res))
 			goto failed_bio;
 	}
@@ -484,8 +485,8 @@ static int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
 		 * Last BIO is always sent through the following
 		 * submission.
 		 */
-		rw |= REQ_SYNC;
-		res = nilfs_segbuf_submit_bio(segbuf, &wi, rw);
+		res = nilfs_segbuf_submit_bio(segbuf, &wi, REQ_OP_WRITE,
+					      REQ_SYNC);
 	}
 
  failed_bio:
-- 
2.7.2

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